Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Ra5 draw
3 Rc5 draw
4 Rd5 draw
5 Re5 draw
6 Rf1 draw
7 Rf7 draw
8 Rf8 draw
9 Ka2 loss in 2 half-moves
10 Ka4 loss in 2 half-moves
11 Ka6 loss in 2 half-moves
12 Ka8 loss in 2 half-moves
13 Kb2 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Kb4 loss in 2 half-moves
16 Kb6 loss in 2 half-moves
17 Kb7 loss in 2 half-moves
18 Kb8 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rg5 loss in 2 half-moves
24 Rh5 loss in 2 half-moves